wet brine

I am making a 4.65 pound roast beef for New Year's dinner. I'm using the 20-minute per pound guideline, so this will take about 90-95 minutes to hit 155 IT. Here is my brine recipe. 8 cups of water 8 cups of freshly brewed coffee 1 chopped onion 2 tbsp Worcestershire 2 tsp garlic powder 2...